Struggling with petalinux update: it is no longer possible to log as
root without the tweaks.

From user diag, it is possible to sudo.

The one included by techlab-bsp matches their FPGA BSP.
I'm using MSK BSP

* move recipes to a identical filepath

* Use their headless recipe
* overlay external_hdf, add one xsa (central node)
* Include PyTango in image